California earthquakes

M1.5 earthquake 3 km SSE of Swall Meadows, California

A magnitude 1.5 earthquake struck 3 km SSE of Swall Meadows, California on Tue, Apr 16, 1985, 2:33 PM PST (22:33 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M2.2 4 km SE of Swall Meadows, California. This one was a foreshock.

West Bishop forecastMore in California

Map

Where this earthquake was located, with the others nearby. Select one for its page.

Open the live map with earthquakes

The earthquake

Magnitude
1.5 (md), micro
Local time
UTC
1985-04-16 22:33:00 UTC
Depth
7.6 km (4.7 mi), shallow
Epicenter
37.475° N, 118.633° W
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 0.4 km horizontally, 0.8 km in depth
Magnitude uncertainty
±0.24
Depth from
From location
Station coverage gap
122°
Stations used
15

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 200 in the 60 days after this one and 0 in the 30 days before it.

After

The first 60 of 200.

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc46270. Read Tue, Sep 22, 2026, 9:33 PM UTC.